/* Add a friend who we want to connect to.
*
* return -1 on failure.
* return the friend number on success or if the friend was already added.
*/
int onion_addfriend(Onion_Client *onion_c, uint8_t *client_id)
{
int num = onion_friend_num(onion_c, client_id);
if (num != -1)
return num;
uint32_t i, index = ~0;
for (i = 0; i < onion_c->num_friends; ++i) {
if (onion_c->friends_list[i].status == 0) {
index = i;
break;
}
}
if (index == (uint32_t)~0) {
if (realloc_onion_friends(onion_c, onion_c->num_friends + 1) == -1)
return -1;
index = onion_c->num_friends;
memset(&(onion_c->friends_list[onion_c->num_friends]), 0, sizeof(Onion_Friend));
++onion_c->num_friends;
}
onion_c->friends_list[index].status = 1;
memcpy(onion_c->friends_list[index].real_client_id, client_id, crypto_box_PUBLICKEYBYTES);
crypto_box_keypair(onion_c->friends_list[index].temp_public_key, onion_c->friends_list[index].temp_secret_key);
return index;
}
void kill_onion_client(Onion_Client *onion_c)
{
if (onion_c == NULL)
return;
realloc_onion_friends(onion_c, 0);
networking_registerhandler(onion_c->net, NET_PACKET_ANNOUNCE_RESPONSE, NULL, NULL);
networking_registerhandler(onion_c->net, NET_PACKET_ONION_DATA_RESPONSE, NULL, NULL);
oniondata_registerhandler(onion_c, FAKEID_DATA_ID, NULL, NULL);
cryptopacket_registerhandler(onion_c->dht->c, FAKEID_DATA_ID, NULL, NULL);
memset(onion_c, 0, sizeof(Onion_Client));
free(onion_c);
}
/* Delete a friend.
*
* return -1 on failure.
* return the deleted friend number on success.
*/
int onion_delfriend(Onion_Client *onion_c, int friend_num)
{
if ((uint32_t)friend_num >= onion_c->num_friends)
return -1;
DHT_delfriend(onion_c->dht, onion_c->friends_list[friend_num].fake_client_id);
memset(&(onion_c->friends_list[friend_num]), 0, sizeof(Onion_Friend));
uint32_t i;
for (i = onion_c->num_friends; i != 0; --i) {
if (onion_c->friends_list[i].status != 0)
break;
}
if (onion_c->num_friends != i) {
onion_c->num_friends = i;
realloc_onion_friends(onion_c, onion_c->num_friends);
}
return friend_num;
}
